NASCAR announced that Dillon will be docked 30 minutes for failing inspection before the Bristol race three times.
Busch will be docked 15 minutes for failing inspection before the Bristol race twice.
NASCAR also stated that the No. 7 car will be penalized 15 minutes of practice time for failing inspection twice at Bristol. That car is not entered at Darlington and will serve its penalty the next time it enters a Cup event.
In the Xfinity Series, three cars will be penalized practice time Friday .
Ryan Reed, Carl Long and Mike Harmon each will be docked 15 minutes for being out of the garage late. NASCAR also announced that the No. 13 car will be penalized 15 minutes for failing inspection two times at Road America. That car is not at Darlington. It will serve its penalty the next time it enters an Xfinity race.